]>
Commit | Line | Data |
---|---|---|
0549416e JC |
1 | /* |
2 | * This file is part of the libsigrok project. | |
3 | * | |
4 | * Copyright (C) 2018 James Churchill <pelrun@gmail.com> | |
7c0891b0 | 5 | * Copyright (C) 2019 Frank Stettner <frank-stettner@gmx.net> |
d7a4dad8 | 6 | * Copyright (C) 2021 Gerhard Sittig <gerhard.sittig@gmx.net> |
0549416e JC |
7 | * |
8 | * This program is free software: you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation, either version 3 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
20 | */ | |
21 | ||
22 | #include <config.h> | |
d7a4dad8 | 23 | |
cce6a8a1 | 24 | #include <math.h> |
d7a4dad8 GS |
25 | #include <string.h> |
26 | ||
0549416e JC |
27 | #include "protocol.h" |
28 | ||
69b05583 JC |
29 | static const uint32_t scanopts[] = { |
30 | SR_CONF_CONN, | |
31 | SR_CONF_SERIALCOMM, | |
32 | SR_CONF_MODBUSADDR, | |
33 | }; | |
34 | ||
35 | static const uint32_t drvopts[] = { | |
36 | SR_CONF_POWER_SUPPLY, | |
37 | }; | |
38 | ||
39 | static const uint32_t devopts[] = { | |
40 | SR_CONF_CONTINUOUS, | |
41 | SR_CONF_LIMIT_SAMPLES | SR_CONF_GET | SR_CONF_SET, | |
42 | SR_CONF_LIMIT_MSEC | SR_CONF_GET | SR_CONF_SET, | |
43 | SR_CONF_VOLTAGE | SR_CONF_GET, | |
44 | SR_CONF_VOLTAGE_TARGET | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
45 | SR_CONF_CURRENT | SR_CONF_GET, | |
46 | SR_CONF_CURRENT_LIMIT | SR_CONF_GET | SR_CONF_SET | SR_CONF_LIST, | |
47 | SR_CONF_ENABLED | SR_CONF_GET | SR_CONF_SET, | |
48 | SR_CONF_REGULATION | SR_CONF_GET, | |
49 | SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE | SR_CONF_GET, | |
50 | SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD | SR_CONF_GET | SR_CONF_SET, | |
51 | SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE | SR_CONF_GET, | |
52 | SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD | SR_CONF_GET | SR_CONF_SET, | |
53 | }; | |
54 | ||
d7a4dad8 | 55 | /* Model ID, model name, max current/voltage/power, current/voltage digits. */ |
69b05583 | 56 | static const struct rdtech_dps_model supported_models[] = { |
884ae8c0 GS |
57 | { MODEL_DPS, 3005, "DPS3005", 5, 30, 160, 3, 2 }, |
58 | { MODEL_DPS, 5005, "DPS5005", 5, 50, 250, 3, 2 }, | |
59 | { MODEL_DPS, 5205, "DPH5005", 5, 50, 250, 3, 2 }, | |
60 | { MODEL_DPS, 5015, "DPS5015", 15, 50, 750, 2, 2 }, | |
61 | { MODEL_DPS, 5020, "DPS5020", 20, 50, 1000, 2, 2 }, | |
62 | { MODEL_DPS, 8005, "DPS8005", 5, 80, 408, 3, 2 }, | |
63 | /* All RD specs taken from the 2020.12.2 instruction manual. */ | |
64 | { MODEL_RD , 6006, "RD6006" , 6, 60, 360, 3, 2 }, | |
65 | { MODEL_RD , 6012, "RD6012" , 12, 60, 720, 2, 2 }, | |
66 | { MODEL_RD , 6018, "RD6018" , 18, 60, 1080, 2, 2 }, | |
69b05583 JC |
67 | }; |
68 | ||
69 | static struct sr_dev_driver rdtech_dps_driver_info; | |
884ae8c0 | 70 | static struct sr_dev_driver rdtech_rd_driver_info; |
69b05583 | 71 | |
884ae8c0 GS |
72 | static struct sr_dev_inst *probe_device(struct sr_modbus_dev_inst *modbus, |
73 | enum rdtech_dps_model_type model_type) | |
0549416e | 74 | { |
884ae8c0 GS |
75 | static const char *type_prefix[] = { |
76 | [MODEL_DPS] = "DPS", | |
77 | [MODEL_RD] = "RD", | |
78 | }; | |
79 | ||
69b05583 | 80 | uint16_t id, version; |
884ae8c0 | 81 | uint32_t serno; |
d7a4dad8 | 82 | int ret; |
884ae8c0 | 83 | const struct rdtech_dps_model *model, *supported; |
d7a4dad8 GS |
84 | size_t i; |
85 | struct sr_dev_inst *sdi; | |
86 | struct dev_context *devc; | |
69b05583 | 87 | |
884ae8c0 GS |
88 | ret = rdtech_dps_get_model_version(modbus, |
89 | model_type, &id, &version, &serno); | |
90 | sr_dbg("probe: ret %d, type %s, model %u, vers %u, snr %u.", | |
91 | ret, type_prefix[model_type], id, version, serno); | |
69b05583 JC |
92 | if (ret != SR_OK) |
93 | return NULL; | |
d7a4dad8 GS |
94 | model = NULL; |
95 | for (i = 0; i < ARRAY_SIZE(supported_models); i++) { | |
884ae8c0 GS |
96 | supported = &supported_models[i]; |
97 | if (model_type != supported->model_type) | |
98 | continue; | |
99 | if (id != supported->id) | |
100 | continue; | |
101 | model = supported; | |
102 | break; | |
d7a4dad8 GS |
103 | } |
104 | if (!model) { | |
884ae8c0 | 105 | sr_err("Unknown model: %s%u.", type_prefix[model_type], id); |
69b05583 JC |
106 | return NULL; |
107 | } | |
108 | ||
d7a4dad8 | 109 | sdi = g_malloc0(sizeof(*sdi)); |
69b05583 JC |
110 | sdi->status = SR_ST_INACTIVE; |
111 | sdi->vendor = g_strdup("RDTech"); | |
884ae8c0 GS |
112 | switch (model_type) { |
113 | case MODEL_DPS: | |
114 | sdi->model = g_strdup(model->name); | |
115 | sdi->version = g_strdup_printf("v%u", version); | |
116 | sdi->driver = &rdtech_dps_driver_info; | |
117 | break; | |
118 | case MODEL_RD: | |
119 | sdi->model = g_strdup(model->name); | |
120 | sdi->version = g_strdup_printf("v%u.%u", | |
121 | version / 100, version % 100); | |
122 | if (serno) | |
123 | sdi->serial_num = g_strdup_printf("%u", serno); | |
124 | sdi->driver = &rdtech_rd_driver_info; | |
125 | break; | |
126 | default: | |
127 | sr_err("Programming error, unhandled DPS/DPH/RD device type."); | |
128 | g_free(sdi->vendor); | |
129 | g_free(sdi); | |
130 | return NULL; | |
131 | } | |
69b05583 | 132 | sdi->conn = modbus; |
69b05583 | 133 | sdi->inst_type = SR_INST_MODBUS; |
0549416e | 134 | |
69b05583 | 135 | sr_channel_new(sdi, 0, SR_CHANNEL_ANALOG, TRUE, "V"); |
d7a4dad8 GS |
136 | sr_channel_new(sdi, 1, SR_CHANNEL_ANALOG, TRUE, "I"); |
137 | sr_channel_new(sdi, 2, SR_CHANNEL_ANALOG, TRUE, "P"); | |
0549416e | 138 | |
d7a4dad8 | 139 | devc = g_malloc0(sizeof(*devc)); |
69b05583 JC |
140 | sr_sw_limits_init(&devc->limits); |
141 | devc->model = model; | |
cce6a8a1 FS |
142 | devc->current_multiplier = pow(10.0, model->current_digits); |
143 | devc->voltage_multiplier = pow(10.0, model->voltage_digits); | |
0549416e | 144 | |
69b05583 JC |
145 | sdi->priv = devc; |
146 | ||
147 | return sdi; | |
148 | } | |
149 | ||
884ae8c0 GS |
150 | static struct sr_dev_inst *probe_device_dps(struct sr_modbus_dev_inst *modbus) |
151 | { | |
152 | return probe_device(modbus, MODEL_DPS); | |
153 | } | |
154 | ||
155 | static struct sr_dev_inst *probe_device_rd(struct sr_modbus_dev_inst *modbus) | |
156 | { | |
157 | return probe_device(modbus, MODEL_RD); | |
158 | } | |
159 | ||
69b05583 JC |
160 | static int config_compare(gconstpointer a, gconstpointer b) |
161 | { | |
162 | const struct sr_config *ac = a, *bc = b; | |
163 | return ac->key != bc->key; | |
164 | } | |
165 | ||
884ae8c0 GS |
166 | static GSList *scan(struct sr_dev_driver *di, GSList *options, |
167 | enum rdtech_dps_model_type model_type) | |
69b05583 | 168 | { |
884ae8c0 GS |
169 | static const char *default_serialcomm_dps = "9600/8n1"; |
170 | static const char *default_serialcomm_rd = "115200/8n1"; | |
171 | ||
69b05583 JC |
172 | struct sr_config default_serialcomm = { |
173 | .key = SR_CONF_SERIALCOMM, | |
884ae8c0 | 174 | .data = NULL, |
69b05583 JC |
175 | }; |
176 | struct sr_config default_modbusaddr = { | |
177 | .key = SR_CONF_MODBUSADDR, | |
178 | .data = g_variant_new_uint64(1), | |
179 | }; | |
d7a4dad8 | 180 | GSList *opts, *devices; |
884ae8c0 GS |
181 | const char *serialcomm; |
182 | struct sr_dev_inst *(*probe_func)(struct sr_modbus_dev_inst *modbus); | |
183 | ||
184 | /* TODO See why di->context isn't available yet at this time. */ | |
185 | serialcomm = NULL; | |
186 | probe_func = NULL; | |
187 | if (di->context == &rdtech_dps_driver_info || model_type == MODEL_DPS) { | |
188 | serialcomm = default_serialcomm_dps; | |
189 | probe_func = probe_device_dps; | |
190 | } | |
191 | if (di->context == &rdtech_rd_driver_info || model_type == MODEL_RD) { | |
192 | serialcomm = default_serialcomm_rd; | |
193 | probe_func = probe_device_rd; | |
194 | } | |
195 | if (!probe_func) | |
196 | return NULL; | |
197 | if (serialcomm && *serialcomm) | |
198 | default_serialcomm.data = g_variant_new_string(serialcomm); | |
69b05583 | 199 | |
d7a4dad8 | 200 | opts = options; |
69b05583 JC |
201 | if (!g_slist_find_custom(options, &default_serialcomm, config_compare)) |
202 | opts = g_slist_prepend(opts, &default_serialcomm); | |
203 | if (!g_slist_find_custom(options, &default_modbusaddr, config_compare)) | |
204 | opts = g_slist_prepend(opts, &default_modbusaddr); | |
205 | ||
884ae8c0 | 206 | devices = sr_modbus_scan(di->context, opts, probe_func); |
69b05583 JC |
207 | |
208 | while (opts != options) | |
209 | opts = g_slist_delete_link(opts, opts); | |
210 | g_variant_unref(default_serialcomm.data); | |
211 | g_variant_unref(default_modbusaddr.data); | |
0549416e JC |
212 | |
213 | return devices; | |
214 | } | |
215 | ||
884ae8c0 GS |
216 | static GSList *scan_dps(struct sr_dev_driver *di, GSList *options) |
217 | { | |
218 | return scan(di, options, MODEL_DPS); | |
219 | } | |
220 | ||
221 | static GSList *scan_rd(struct sr_dev_driver *di, GSList *options) | |
222 | { | |
223 | return scan(di, options, MODEL_RD); | |
224 | } | |
225 | ||
0549416e JC |
226 | static int dev_open(struct sr_dev_inst *sdi) |
227 | { | |
d7a4dad8 GS |
228 | struct sr_modbus_dev_inst *modbus; |
229 | struct rdtech_dps_state state; | |
230 | int ret; | |
69b05583 | 231 | |
d7a4dad8 | 232 | modbus = sdi->conn; |
69b05583 JC |
233 | if (sr_modbus_open(modbus) < 0) |
234 | return SR_ERR; | |
0549416e | 235 | |
d7a4dad8 GS |
236 | memset(&state, 0, sizeof(state)); |
237 | state.lock = TRUE; | |
238 | state.mask |= STATE_LOCK; | |
239 | ret = rdtech_dps_set_state(sdi, &state); | |
240 | if (ret != SR_OK) | |
241 | return ret; | |
0549416e JC |
242 | |
243 | return SR_OK; | |
244 | } | |
245 | ||
246 | static int dev_close(struct sr_dev_inst *sdi) | |
247 | { | |
69b05583 | 248 | struct sr_modbus_dev_inst *modbus; |
d7a4dad8 | 249 | struct rdtech_dps_state state; |
0549416e | 250 | |
69b05583 | 251 | modbus = sdi->conn; |
69b05583 JC |
252 | if (!modbus) |
253 | return SR_ERR_BUG; | |
254 | ||
d7a4dad8 GS |
255 | memset(&state, 0, sizeof(state)); |
256 | state.lock = FALSE; | |
257 | state.mask |= STATE_LOCK; | |
258 | (void)rdtech_dps_set_state(sdi, &state); | |
69b05583 JC |
259 | |
260 | return sr_modbus_close(modbus); | |
0549416e JC |
261 | } |
262 | ||
263 | static int config_get(uint32_t key, GVariant **data, | |
264 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
265 | { | |
69b05583 | 266 | struct dev_context *devc; |
d7a4dad8 | 267 | struct rdtech_dps_state state; |
0549416e | 268 | int ret; |
d7a4dad8 | 269 | const char *cc_text; |
0549416e | 270 | |
0549416e JC |
271 | (void)cg; |
272 | ||
69b05583 JC |
273 | devc = sdi->priv; |
274 | ||
0549416e JC |
275 | ret = SR_OK; |
276 | switch (key) { | |
69b05583 JC |
277 | case SR_CONF_LIMIT_SAMPLES: |
278 | case SR_CONF_LIMIT_MSEC: | |
279 | ret = sr_sw_limits_config_get(&devc->limits, key, data); | |
280 | break; | |
281 | case SR_CONF_ENABLED: | |
7a78fd56 | 282 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); |
d7a4dad8 GS |
283 | if (ret != SR_OK) |
284 | return ret; | |
285 | if (!(state.mask & STATE_OUTPUT_ENABLED)) | |
286 | return SR_ERR_DATA; | |
287 | *data = g_variant_new_boolean(state.output_enabled); | |
69b05583 JC |
288 | break; |
289 | case SR_CONF_REGULATION: | |
7a78fd56 | 290 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); |
d7a4dad8 GS |
291 | if (ret != SR_OK) |
292 | return ret; | |
293 | if (!(state.mask & STATE_REGULATION_CC)) | |
294 | return SR_ERR_DATA; | |
295 | cc_text = state.regulation_cc ? "CC" : "CV"; | |
296 | *data = g_variant_new_string(cc_text); | |
69b05583 JC |
297 | break; |
298 | case SR_CONF_VOLTAGE: | |
7a78fd56 | 299 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); |
d7a4dad8 GS |
300 | if (ret != SR_OK) |
301 | return ret; | |
302 | if (!(state.mask & STATE_VOLTAGE)) | |
303 | return SR_ERR_DATA; | |
304 | *data = g_variant_new_double(state.voltage); | |
69b05583 JC |
305 | break; |
306 | case SR_CONF_VOLTAGE_TARGET: | |
7a78fd56 | 307 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); |
d7a4dad8 GS |
308 | if (ret != SR_OK) |
309 | return ret; | |
310 | if (!(state.mask & STATE_VOLTAGE_TARGET)) | |
311 | return SR_ERR_DATA; | |
312 | *data = g_variant_new_double(state.voltage_target); | |
69b05583 JC |
313 | break; |
314 | case SR_CONF_CURRENT: | |
7a78fd56 | 315 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); |
d7a4dad8 GS |
316 | if (ret != SR_OK) |
317 | return ret; | |
318 | if (!(state.mask & STATE_CURRENT)) | |
319 | return SR_ERR_DATA; | |
320 | *data = g_variant_new_double(state.current); | |
69b05583 JC |
321 | break; |
322 | case SR_CONF_CURRENT_LIMIT: | |
7a78fd56 | 323 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); |
d7a4dad8 GS |
324 | if (ret != SR_OK) |
325 | return ret; | |
326 | if (!(state.mask & STATE_CURRENT_LIMIT)) | |
327 | return SR_ERR_DATA; | |
328 | *data = g_variant_new_double(state.current_limit); | |
69b05583 JC |
329 | break; |
330 | case SR_CONF_OVER_VOLTAGE_PROTECTION_ENABLED: | |
7a78fd56 | 331 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); |
d7a4dad8 GS |
332 | if (ret != SR_OK) |
333 | return ret; | |
334 | if (!(state.mask & STATE_PROTECT_ENABLED)) | |
335 | return SR_ERR_DATA; | |
336 | *data = g_variant_new_boolean(state.protect_enabled); | |
69b05583 JC |
337 | break; |
338 | case SR_CONF_OVER_VOLTAGE_PROTECTION_ACTIVE: | |
7a78fd56 | 339 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); |
d7a4dad8 GS |
340 | if (ret != SR_OK) |
341 | return ret; | |
342 | if (!(state.mask & STATE_PROTECT_OVP)) | |
343 | return SR_ERR_DATA; | |
344 | *data = g_variant_new_boolean(state.protect_ovp); | |
69b05583 JC |
345 | break; |
346 | case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD: | |
7a78fd56 | 347 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); |
d7a4dad8 GS |
348 | if (ret != SR_OK) |
349 | return ret; | |
350 | if (!(state.mask & STATE_OUTPUT_ENABLED)) | |
351 | return SR_ERR_DATA; | |
352 | *data = g_variant_new_double(state.ovp_threshold); | |
69b05583 JC |
353 | break; |
354 | case SR_CONF_OVER_CURRENT_PROTECTION_ENABLED: | |
7a78fd56 | 355 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); |
d7a4dad8 GS |
356 | if (ret != SR_OK) |
357 | return ret; | |
358 | if (!(state.mask & STATE_PROTECT_ENABLED)) | |
359 | return SR_ERR_DATA; | |
360 | *data = g_variant_new_boolean(state.protect_enabled); | |
69b05583 JC |
361 | break; |
362 | case SR_CONF_OVER_CURRENT_PROTECTION_ACTIVE: | |
7a78fd56 | 363 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); |
d7a4dad8 GS |
364 | if (ret != SR_OK) |
365 | return ret; | |
366 | if (!(state.mask & STATE_PROTECT_OCP)) | |
367 | return SR_ERR_DATA; | |
368 | *data = g_variant_new_boolean(state.protect_ocp); | |
69b05583 JC |
369 | break; |
370 | case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD: | |
7a78fd56 | 371 | ret = rdtech_dps_get_state(sdi, &state, ST_CTX_CONFIG); |
d7a4dad8 GS |
372 | if (ret != SR_OK) |
373 | return ret; | |
374 | if (!(state.mask & STATE_OCP_THRESHOLD)) | |
375 | return SR_ERR_DATA; | |
376 | *data = g_variant_new_double(state.ocp_threshold); | |
69b05583 | 377 | break; |
0549416e JC |
378 | default: |
379 | return SR_ERR_NA; | |
380 | } | |
381 | ||
382 | return ret; | |
383 | } | |
384 | ||
385 | static int config_set(uint32_t key, GVariant *data, | |
386 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
387 | { | |
69b05583 | 388 | struct dev_context *devc; |
d7a4dad8 | 389 | struct rdtech_dps_state state; |
0549416e | 390 | |
0549416e JC |
391 | (void)cg; |
392 | ||
69b05583 | 393 | devc = sdi->priv; |
d7a4dad8 | 394 | memset(&state, 0, sizeof(state)); |
69b05583 | 395 | |
0549416e | 396 | switch (key) { |
69b05583 JC |
397 | case SR_CONF_LIMIT_SAMPLES: |
398 | case SR_CONF_LIMIT_MSEC: | |
399 | return sr_sw_limits_config_set(&devc->limits, key, data); | |
400 | case SR_CONF_ENABLED: | |
d7a4dad8 GS |
401 | state.output_enabled = g_variant_get_boolean(data); |
402 | state.mask |= STATE_OUTPUT_ENABLED; | |
403 | return rdtech_dps_set_state(sdi, &state); | |
69b05583 | 404 | case SR_CONF_VOLTAGE_TARGET: |
d7a4dad8 GS |
405 | state.voltage_target = g_variant_get_double(data); |
406 | state.mask |= STATE_VOLTAGE_TARGET; | |
407 | return rdtech_dps_set_state(sdi, &state); | |
69b05583 | 408 | case SR_CONF_CURRENT_LIMIT: |
d7a4dad8 GS |
409 | state.current_limit = g_variant_get_double(data); |
410 | state.mask |= STATE_CURRENT_LIMIT; | |
411 | return rdtech_dps_set_state(sdi, &state); | |
69b05583 | 412 | case SR_CONF_OVER_VOLTAGE_PROTECTION_THRESHOLD: |
d7a4dad8 GS |
413 | state.ovp_threshold = g_variant_get_double(data); |
414 | state.mask |= STATE_OVP_THRESHOLD; | |
415 | return rdtech_dps_set_state(sdi, &state); | |
69b05583 | 416 | case SR_CONF_OVER_CURRENT_PROTECTION_THRESHOLD: |
d7a4dad8 GS |
417 | state.ocp_threshold = g_variant_get_double(data); |
418 | state.mask |= STATE_OCP_THRESHOLD; | |
419 | return rdtech_dps_set_state(sdi, &state); | |
0549416e | 420 | default: |
69b05583 | 421 | return SR_ERR_NA; |
0549416e JC |
422 | } |
423 | ||
69b05583 | 424 | return SR_OK; |
0549416e JC |
425 | } |
426 | ||
427 | static int config_list(uint32_t key, GVariant **data, | |
428 | const struct sr_dev_inst *sdi, const struct sr_channel_group *cg) | |
429 | { | |
69b05583 | 430 | struct dev_context *devc; |
0549416e | 431 | |
69b05583 | 432 | devc = (sdi) ? sdi->priv : NULL; |
0549416e | 433 | |
0549416e | 434 | switch (key) { |
69b05583 JC |
435 | case SR_CONF_SCAN_OPTIONS: |
436 | case SR_CONF_DEVICE_OPTIONS: | |
437 | return STD_CONFIG_LIST(key, data, sdi, cg, scanopts, drvopts, devopts); | |
438 | case SR_CONF_VOLTAGE_TARGET: | |
cce6a8a1 FS |
439 | *data = std_gvar_min_max_step(0.0, devc->model->max_voltage, |
440 | 1 / devc->voltage_multiplier); | |
69b05583 JC |
441 | break; |
442 | case SR_CONF_CURRENT_LIMIT: | |
cce6a8a1 FS |
443 | *data = std_gvar_min_max_step(0.0, devc->model->max_current, |
444 | 1 / devc->current_multiplier); | |
69b05583 | 445 | break; |
0549416e JC |
446 | default: |
447 | return SR_ERR_NA; | |
448 | } | |
449 | ||
69b05583 | 450 | return SR_OK; |
0549416e JC |
451 | } |
452 | ||
453 | static int dev_acquisition_start(const struct sr_dev_inst *sdi) | |
454 | { | |
69b05583 JC |
455 | struct dev_context *devc; |
456 | struct sr_modbus_dev_inst *modbus; | |
457 | int ret; | |
0549416e | 458 | |
69b05583 JC |
459 | modbus = sdi->conn; |
460 | devc = sdi->priv; | |
0549416e | 461 | |
d7a4dad8 GS |
462 | /* Seed internal state from current data. */ |
463 | ret = rdtech_dps_seed_receive(sdi); | |
dfdf4c83 FS |
464 | if (ret != SR_OK) |
465 | return ret; | |
dfdf4c83 | 466 | |
d7a4dad8 GS |
467 | /* Register the periodic data reception callback. */ |
468 | ret = sr_modbus_source_add(sdi->session, modbus, G_IO_IN, 10, | |
469 | rdtech_dps_receive_data, (void *)sdi); | |
470 | if (ret != SR_OK) | |
69b05583 JC |
471 | return ret; |
472 | ||
473 | sr_sw_limits_acquisition_start(&devc->limits); | |
474 | std_session_send_df_header(sdi); | |
475 | ||
7c0891b0 | 476 | return SR_OK; |
0549416e JC |
477 | } |
478 | ||
479 | static int dev_acquisition_stop(struct sr_dev_inst *sdi) | |
480 | { | |
69b05583 | 481 | struct sr_modbus_dev_inst *modbus; |
0549416e | 482 | |
69b05583 JC |
483 | std_session_send_df_end(sdi); |
484 | ||
485 | modbus = sdi->conn; | |
486 | sr_modbus_source_remove(sdi->session, modbus); | |
0549416e JC |
487 | |
488 | return SR_OK; | |
489 | } | |
490 | ||
69b05583 | 491 | static struct sr_dev_driver rdtech_dps_driver_info = { |
0549416e | 492 | .name = "rdtech-dps", |
69b05583 | 493 | .longname = "RDTech DPS/DPH series power supply", |
0549416e JC |
494 | .api_version = 1, |
495 | .init = std_init, | |
496 | .cleanup = std_cleanup, | |
884ae8c0 | 497 | .scan = scan_dps, |
0549416e JC |
498 | .dev_list = std_dev_list, |
499 | .dev_clear = std_dev_clear, | |
500 | .config_get = config_get, | |
501 | .config_set = config_set, | |
502 | .config_list = config_list, | |
503 | .dev_open = dev_open, | |
504 | .dev_close = dev_close, | |
505 | .dev_acquisition_start = dev_acquisition_start, | |
506 | .dev_acquisition_stop = dev_acquisition_stop, | |
507 | .context = NULL, | |
508 | }; | |
0549416e | 509 | SR_REGISTER_DEV_DRIVER(rdtech_dps_driver_info); |
884ae8c0 GS |
510 | |
511 | static struct sr_dev_driver rdtech_rd_driver_info = { | |
512 | .name = "rdtech-rd", | |
513 | .longname = "RDTech RD series power supply", | |
514 | .api_version = 1, | |
515 | .init = std_init, | |
516 | .cleanup = std_cleanup, | |
517 | .scan = scan_rd, | |
518 | .dev_list = std_dev_list, | |
519 | .dev_clear = std_dev_clear, | |
520 | .config_get = config_get, | |
521 | .config_set = config_set, | |
522 | .config_list = config_list, | |
523 | .dev_open = dev_open, | |
524 | .dev_close = dev_close, | |
525 | .dev_acquisition_start = dev_acquisition_start, | |
526 | .dev_acquisition_stop = dev_acquisition_stop, | |
527 | .context = NULL, | |
528 | }; | |
529 | SR_REGISTER_DEV_DRIVER(rdtech_rd_driver_info); |